hoffa was believed to be involved with the mob at the time of his disappearance. >>> this video just coming into the news room, investigators trying to figure out what caused a small plane to crash in nepal, leading to this fire. 19 people were killed. that twin engine prop plane went down in a field not far from the airport. just after it took off. the weather apparently was pretty clear at that time. as you can see in the images here, british and chinese citizens were on that plane, we understand. this time of year is a peak tourism season in nepal, which is home to 8 of the world's 14 highest mountains, including mt. everest. >>> a virginia man facing federal charges after a tirade on board a united airlines flight. >> please help me! please help me! i can't breathe! >> this is cell phone video showing the man screaming on a flight from chicago to california tuesday night. police identify him as 26-year-old arash durani, a model and actor. passengers say, in addition to his rant, he harassed women and made threats. when the situation escalated, a group of passengers used their bel